138398945715288

Names of 138398945715288

• Cardinal: 138398945715288 can be written as One hundred thirty-eight trillion, three hundred ninety-eight billion, nine hundred forty-five million, seven hundred fifteen thousand, two hundred eighty-eight.

Scientific notation

• Scientific notation: 1.38398945715288 × 10¹⁴

Factors of 138398945715288

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 116773534

Divisors of 138398945715288

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 31 36 54 59 62 72 81 93 108 118 124 162 177 186 216 236 248 279 324 354 372 472 531 558 648 708 744 837 1062 1116 1416 1593 1674 1829 2124 2232 2511 3186 3348 3658 4248 4779 5022 5487 6372 6696 7316 9558 10044 10974 12744 14632 16461 19116 20088 21948 32922 38232 43896 49383 65844 98766 131688 148149 197532 296298 395064 592596 1185192 116773439 233546878 350320317 467093756 700640634 934187512 1050960951 1401281268 2101921902 2802562536 3152882853 3619976609 4203843804 6305765706 6889632901 7239953218 8407687608 9458648559 10859929827 12611531412 13779265802 14479906436 18917297118 20668898703 21719859654 25223062824 27558531604 28959812872 32579789481 37834594236 41337797406 43439719308 55117063208 62006696109 65159578962 75669188472 82675594812 86879438616 97739368443 124013392218 130319157924 165351189624 186020088327 195478736886 213578619931 248026784436 260638315848 293218105329 372040176654 390957473772 427157239862 496053568872 558060264981 586436210658 640735859793 744080353308 781914947544 854314479724 1116120529962 1172872421316 1281471719586 1488160706616 1708628959448 1922207579379 2232241059924 2345744842632 2562943439172 3844415158758 4464482119848 5125886878344 5766622738137 7688830317516 11533245476274 15377660635032 17299868214411 23066490952548 34599736428822 46132981905096 69199472857644 138398945715288
• Sum of all divisors σ(n): 406932083712000
• Sum of proper divisors (its aliquot sum) s(n): 268533137996712
• 138398945715288 is an abundant number, because the sum of its proper divisors (268533137996712) is greater than itself. Its abundance is 130134192281424

Bases of 138398945715288

• Binary: 11111011101111110000011111111110010010001011000₂
• Hexadecimal: 0x7DDF83FF2458
• Base-36: 1D23LIX9I0

Squares and roots of 138398945715288

• 138398945715288 squared (138398945715288²) is 19154268175103234653956922944
• 138398945715288 cubed (138398945715288³) is 2650930521382181116628320720055433578767872
• The square root of 138398945715288 is 11764308.1273523263
• The cube root of 138398945715288 is 51726.2419938475

Scales and comparisons

• 138,398,945,715,288 seconds is equal to 4,400,658 years, 19 weeks, 4 days, 11 hours, 34 minutes, 48 seconds.
• To count from 1 to 138,398,945,715,288 would take you about eleven million, one thousand, six hundred forty-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 138398945715288 cubic inches would be around 4310.5 feet tall.

Recreational maths with 138398945715288

• 138398945715288 backwards is 882517549893831
• 138398945715288 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 138398945715288's digits is 81
• More coming soon!